{"id": 4814, "prediction_verbatim": "Crude oil (WTI) higher in 48h", "created_at": "2026-05-10 20:47:50", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 21:02:33", "chain_hash": "228b8345c92f986438071d6a5de7e11abe0086436643b0cde97f7e8253a58259", "chain_tx": "2QZgvg8KYumybLwoyMGv2oyWaDaA94DQpa7QjoQ79ZPZpRw7STJ3dbezedTHYgjQMe2mTfD1C5DQmdpqgs4ccC9V", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}